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DOI | 10.1016/j.epsl.2019.115987 |
High water solubility of ringwoodite at mantle transition zone temperature | |
Fei H.; Katsura T. | |
发表日期 | 2020 |
ISSN | 0012821X |
卷号 | 531 |
英文摘要 | The mantle transition zone, a potential water reservoir in the Earth's interior, is suggested to contain more than 1 wt.% of H2O, at least locally, by the natural water-rich ringwoodite inclusion (Pearson et al., 2014) and the mineral viscosity (Fei et al., 2017). It is against the low H2O solubility of ringwoodite (<0.3 wt.%) at mantle transition zone temperature based on laboratory experiments (Ohtani et al., 2000). We revisited the H2O solubility in ringwoodite at 1600-2000 K, showing that both iron-free and iron-bearing ringwoodite can store about 0.8-1.2 wt.% of H2O under mantle transition zone conditions. Temperature has a relatively small effect on the H2O solubility in iron-bearing system, but much larger in iron-free one. The high H2O solubility of ringwoodite is compatible with the water-rich mantle transition zone. The relatively low values reported previously is probably due to insufficient H2O source or unbuffered by SiO2. © 2019 Elsevier B.V. |
关键词 | H2O solubilitymantle transition zoneringwoodite |
英文关键词 | Iron; Reservoirs (water); Silica; Bearing systems; Earth's interior; High water; Laboratory experiments; Mantle transition zone; Natural waters; Ringwoodite; Solubility |
语种 | 英语 |
来源期刊 | Earth and Planetary Science Letters |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/202579 |
作者单位 | Bayerisches Geoinstitut, University of Bayreuth, Bayreuth, D95440, Germany; Center for High Pressure Science and Technology Advanced Research, Beijing, 100094, China |
推荐引用方式 GB/T 7714 | Fei H.,Katsura T.. High water solubility of ringwoodite at mantle transition zone temperature[J],2020,531. |
APA | Fei H.,&Katsura T..(2020).High water solubility of ringwoodite at mantle transition zone temperature.Earth and Planetary Science Letters,531. |
MLA | Fei H.,et al."High water solubility of ringwoodite at mantle transition zone temperature".Earth and Planetary Science Letters 531(2020). |
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